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(parent: e378495) | patch
If the source and destination pointers in an llvm.memmove are known
authorDan Gohman <gohman@apple.com>
Mon, 27 Aug 2007 16:26:13 +0000 (16:26 +0000)
committerDan Gohman <gohman@apple.com>
Mon, 27 Aug 2007 16:26:13 +0000 (16:26 +0000)
commit5f43f92c69aae9837064cf08291db1b36a82789f
tree26231252b664c1aa83d6b5c0b55b0418d495ac30tree | snapshot
parente3784951af0c2ddc6447805b321db222689aa1d2commit | diff
If the source and destination pointers in an llvm.memmove are known
to not alias each other, it can be translated as an llvm.memcpy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41489 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/SelectionDAGISel.h diff | blob | history
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp diff | blob | history
test/CodeGen/X86/memmove-0.ll [new file with mode: 0644] blob
test/CodeGen/X86/memmove-1.ll [new file with mode: 0644] blob
test/CodeGen/X86/memmove-2.ll [new file with mode: 0644] blob
test/CodeGen/X86/memmove-3.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors